While honored, I also find reviewing these solutions confusing because there is a lot of variation in the product presentations and overlap between categories. 4) “Pure play” lead management – this group is lead by Eloqua , but there are a LOT of firms throwing their hat into this ring including Vtrenz, Hubspot, Manticore, Market2Lead, Marketo, LoopFuse, einsof, iHance, Precience, among many others. The lead management vendors are developing one-to-one email capabilities that help sales people be more consistent and productive. Here’s the problem. Lots of stuff, huh?